Mallard duck; Anas platyrhynchosMallard duck; Anas platyrhynchosMallard; Anas platyrhynchosMallard; Anas platyrhynchosMallard; Anas platyrhynchosMallard; Anas platyrhynchosMallard; Anas platyrhynchosMallard; Anas platyrhynchosMallard; Anas platyrhynchosMallard; Anas platyrhynchosMallard; Anas platyrhynchos